package com.dkd.web.controller.common;
import com.dkd.common.config.RuoYiConfig;
import com.dkd.common.constant.Constants;
import com.dkd.common.core.domain.AjaxResult;
import com.dkd.common.enums.IconType;
import com.dkd.common.enums.UpdateType;
import com.dkd.common.utils.EbUtils;
import com.dkd.common.utils.StringUtils;
import com.dkd.common.utils.file.FileUploadUtils;
import com.dkd.common.utils.file.FileUtils;
import com.dkd.common.utils.file.MimeTypeUtils;
import com.dkd.easybook.domain.EbIcons;
import com.dkd.easybook.service.impl.EbIconsServiceImpl;
import com.dkd.easybook.tools.EbTools;
import com.dkd.framework.config.ServerConfig;
import org.dromara.x.file.storage.core.FileInfo;
import org.dromara.x.file.storage.core.FileStorageService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.List;
/**
 * 通用请求处理
 *
 * @author ruoyi
 */
@RestController
@RequestMapping("/common")
public class CommonController {
    private static final Logger log = LoggerFactory.getLogger(CommonController.class);
    @Autowired
    private ServerConfig serverConfig;
    private static final String FILE_DELIMETER = ",";
    @Autowired
    private FileStorageService fileStorageService;//注入实列
    @Autowired
    private EbIconsServiceImpl ebIconsServiceImpl;
    /**
     * 通用下载请求
     *
     * @param fileName 文件名称
     * @param delete   是否删除
     */
    @GetMapping("/download")
    public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request) {
        try {
            if (!FileUtils.checkAllowDownload(fileName)) {
                throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));
            }
            String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
            String filePath = RuoYiConfig.getDownloadPath() + fileName;
            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, realFileName);
            FileUtils.writeBytes(filePath, response.getOutputStream());
            if (delete) {
                FileUtils.deleteFile(filePath);
            }
        } catch (Exception e) {
            log.error("下载文件失败", e);
        }
    }
    /**
     * 通用上传请求（单个）
     */
    @PostMapping("/upload")
    public AjaxResult uploadFile(MultipartFile file) throws Exception {
        try {
            /*// 上传文件路径
            String filePath = RuoYiConfig.getUploadPath();
            // 上传并返回新文件名称
            String fileName = FileUploadUtils.upload(filePath, file);
            String url = serverConfig.getUrl() + fileName;*/
            // 指定oss保存文件路径 dkd-images/2024/06/19/文件名
            String objectName = LocalDate.now()
                    .format(DateTimeFormatter.ofPattern("yyyy/MM/dd")) + "/";
            // 上传图片，返回文件信息
            FileInfo fileInfo = fileStorageService.of(file)
                    .setPath(objectName)
                    .upload();
            AjaxResult ajax = AjaxResult.success();
            ajax.put("url", fileInfo.getUrl());
            ajax.put("fileName", fileInfo.getUrl()); // 注意：这里的值需要改为URL，因为前端的访问地址会做一个判断，如果一http开头就直接显示此图片
            ajax.put("newFileName", fileInfo.getUrl());
            ajax.put("originalFilename", file.getOriginalFilename());
            return ajax;
        } catch (Exception e) {
            return AjaxResult.error(e.getMessage());
        }
    }
    /**
     * 通用上传请求（单个）
     */
    @PostMapping("/uploadIcon")
    @Transactional(rollbackFor = Exception.class)
    public AjaxResult uploadIcon(@RequestParam MultipartFile file, @RequestParam String type, @RequestParam(required = false) Integer iconId) throws Exception {
        try {
            // 上传文件路径
            String filePath = RuoYiConfig.getUploadPath();
            EbIcons ebIcons = new EbIcons();
            if (iconId != null) {
                ebIcons = ebIconsServiceImpl.getById(iconId);
            }
            ebIcons.setSize(file.getSize());
            ebIcons.setFileName(file.getOriginalFilename());
            ebIcons.setContentType(file.getContentType());
            ebIcons.setExt(MimeTypeUtils.getExtension(file.getContentType()));
            IconType iconType = IconType.fromCode(type);
            switch (iconType) {
                case EB_ACCOUNT_CATEGORY_DEFAULT:
                    filePath = RuoYiConfig.getDefaultAccountIconPath();
                    break;
                case EB_REMIND_CATEGORY_DEFAULT:
                    filePath = RuoYiConfig.getDefaultRemindIconPath();
                    break;
                case EB_NOTE_CATEGORY_DEFAULT:
                    filePath = RuoYiConfig.getDefaultNoteIconPath();
                    break;
                default:
            }
            String fileName = FileUploadUtils.upload(filePath, file);
            //这个路径包含了域名
            String url = serverConfig.getUrl() + fileName;
            ebIcons.setUrl(fileName);
            Boolean result = false;
            EbUtils.setUserIdIfNull(ebIcons, EbIcons::getUserId, EbIcons::setUserId);
            if (iconId == null) {
                EbUtils.updateTableFields(UpdateType.ADD_FIELD, ebIcons);
                result = ebIconsServiceImpl.save(ebIcons);
            } else {
                EbUtils.updateTableFields(UpdateType.UPDATE_FIELD, ebIcons);
                result = ebIconsServiceImpl.updateById(ebIcons);
            }
            if (result) {
                AjaxResult ajax = AjaxResult.success(ebIcons);
                return ajax;
            }
            return AjaxResult.error("上传失败");
        } catch (Exception e) {
            return AjaxResult.error(e.getMessage());
        }
    }
    /**
     * 通用上传请求（多个）
     */
    @PostMapping("/uploads")
    public AjaxResult uploadFiles(List<MultipartFile> files) throws Exception {
        try {
            // 上传文件路径
            String filePath = RuoYiConfig.getUploadPath();
            List<String> urls = new ArrayList<String>();
            List<String> fileNames = new ArrayList<String>();
            List<String> newFileNames = new ArrayList<String>();
            List<String> originalFilenames = new ArrayList<String>();
            for (MultipartFile file : files) {
                // 上传并返回新文件名称
                String fileName = FileUploadUtils.upload(filePath, file);
                String url = serverConfig.getUrl() + fileName;
                urls.add(url);
                fileNames.add(fileName);
                newFileNames.add(FileUtils.getName(fileName));
                originalFilenames.add(file.getOriginalFilename());
            }
            AjaxResult ajax = AjaxResult.success();
            ajax.put("urls", StringUtils.join(urls, FILE_DELIMETER));
            ajax.put("fileNames", StringUtils.join(fileNames, FILE_DELIMETER));
            ajax.put("newFileNames", StringUtils.join(newFileNames, FILE_DELIMETER));
            ajax.put("originalFilenames", StringUtils.join(originalFilenames, FILE_DELIMETER));
            return ajax;
        } catch (Exception e) {
            return AjaxResult.error(e.getMessage());
        }
    }
    /**
     * 本地资源通用下载
     */
    @GetMapping("/download/resource")
    public void resourceDownload(String resource, HttpServletRequest request, HttpServletResponse response) throws Exception {
        try {
            if (!FileUtils.checkAllowDownload(resource)) {
                throw new Exception(StringUtils.format("资源文件({})非法，不允许下载。 ", resource));
            }
            // 本地资源路径
            String localPath = RuoYiConfig.getProfile();
            // 数据库资源地址
            String downloadPath = localPath + StringUtils.substringAfter(resource, Constants.RESOURCE_PREFIX);
            // 下载名称
            String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, downloadName);
            FileUtils.writeBytes(downloadPath, response.getOutputStream());
        } catch (Exception e) {
            log.error("下载文件失败", e);
        }
    }
}
